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Colorful baking soda and vinegar eruptions in a tray showing red, yellow, and blue fizzy splashes from a science experiment for kids.

Baking Soda and Vinegar Fireworks

A fun, fizzy science-meets-art activity for kids using baking soda, vinegar, and colorful reactions that resemble mini fireworks.
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Prep Time 5 minutes
Total Time 5 minutes
Servings: 1 activity setup
Ingredients Method Notes

Ingredients
  

  • 1–2 cups baking soda
  • 1–2 cups white vinegar
  • food coloring or liquid watercolors
  • muffin tin, tray, or shallow dish
  • pipettes, droppers, or teaspoons
  • black construction paper optional
  • glitter or confetti optional

Method
 

  1. Place your muffin tin or tray on a table covered with newspaper or an old towel. Add a tablespoon or two of baking soda into each compartment. If using black construction paper, sprinkle small piles across the sheet.
  2. In small bowls or cups, mix vinegar with a few drops of food coloring. Use a separate cup for each color.
  3. Use pipettes or spoons to drizzle colored vinegar over the baking soda. Watch it fizz and bubble like fireworks.
  4. Optional: Add glitter or confetti on top for extra sparkle.
  5. If using black construction paper, let the fizz dry to reveal colorful firework art. Hang it up once dry!

Notes

Use fresh baking soda for the best reaction. Let kids explore color mixing and talk about the science behind the fizz. You can reuse vinegar mixtures until the reaction slows down, then simply rinse and start again!